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1,355 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 86% arrive on time from SFO
Best single flight UA 5220 SFO 08:17 → SMF 09:25 · 83% on time Avoid UA 5796 SFO 17:08 → SMF 18:16 · 78% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

UA 5220flown by SkyWest SFO 08:17 SMF 09:25 83%
UA 5796flown by SkyWest SFO 17:08 SMF 18:16 78%

All 4 United flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.

UA 5220flown by SkyWest SFO 08:17 SMF 09:25 1h 08m 362 83% 2.5% 77 min
UA 5796flown by SkyWest SFO 17:08 SMF 18:16 1h 08m 358 78% 3.1% 85 min
UA 1302 SFO 22:54 SMF 23:59 1h 05m 61 59% 0.0% 53 min
UA 394 SFO 22:54 SMF 23:59 1h 05m 10 70% 0.0% 51 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

United SFO SMF 58m 79% 1.6% 1,355 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON